Town · Maine
Mariaville, Maine
Mariaville, town, in Hancock County, Maine. Mariaville had 502 residents on July 1, 2025 by the Census Bureau's estimate, up 6.4% since 2020; the 2020 Census counted 472 and the ACS 2020-2024 5-year estimates put it at 724 (±124). GEOID 2300943430.
Residents, July 2025 estimate
502
Census Bureau estimate (no margin published)
2020 Census count: 472 · ACS 2020-2024: 724 ±124
Median household income
$66,027
±$2,609 (90% margin)
Maine: $74,733
Median home value
$215,400
±$23,666 (90% margin)
Maine: $296,600
Median gross rent
$1,169
±$156 (90% margin)
Maine: $1,139
Where is Mariaville and what county is it in?
Mariaville is a town in Hancock County, Maine. It covers 38.7 square miles of land, 12 residents per square mile in 2020.
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Mariaville, and is it growing?
The Census Bureau estimates that 502 people lived in Mariaville on July 1, 2025, up 6.4% since 2020, faster than Maine (+3.8%). The 2020 Census counted 472 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 724 (±124).
| Measure | Mariaville | Hancock County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 724±124 | 56,460 | +252 |
| Households | 307±50 | 25,572 | +104 |
| Average household size | 2.36±0.24 | 2.14 | no clear change |
| Housing units | 549±72 | 40,765 | no clear change |
Mariaville's population since 2000
From 414 in 2000 to 502 in 2025: up 21.3%. The 2000, 2010 and 2020 figures are census counts, each for Mariaville as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Mariaville?
The median resident of Mariaville is 42.3 years old; 19.6% are under 18 and 17.7% are 65 or older. The largest group is non-Hispanic white residents at 87.0%, then non-Hispanic residents of two or more races at 6.2%.
| Measure | Mariaville | Hancock County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 42.3±13.5 | 49.0 | no clear change |
| Under 18 years | 19.6%±6.4 pts | 16.2% | – |
| 65 years and over | 17.7%±5.3 pts | 26.6% | – |
| Male | 51.0%±5.1 pts | 48.9% | – |
| Hispanic or Latino (any race) | 3.5%±2.4 pts | 1.9% | – |
| White alone, not Hispanic | 87.0%±4.3 pts | 92.6% | −7.7 pts |
| Black or African American alone, not Hispanic | 0.3%±0.4 pts | 1.0% | – |
| Asian alone, not Hispanic | 3.0%±2.9 pts | 1.0% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±3.7 pts | 0.4% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±3.7 pts | 0.0% | – |
| Two or more races, not Hispanic | 6.2%±2.6 pts | 2.8% | – |
| Some other race alone, not Hispanic | 0.0%±3.7 pts | 0.4% | – |
| Born outside the United States | 1.1%±0.9 pts | 3.3% | – |
| Speak a language other than English at home (age 5+) | 2.9%±2.1 pts | 3.3% | – |
| Civilian veterans (age 18+) | 8.2%±3.0 pts | 8.0% | – |
| With a disability | 8.3%±3.2 pts | 15.1% | – |
| No health insurance coverage | 12.6%±4.2 pts | 9.6% | −11.8 pts |
| High school graduate or higher (age 25+) | 94.0%±4.5 pts | 95.6% | – |
| Bachelor's degree or higher (age 25+) | 22.8%±5.5 pts | 40.1% | no clear change |
| Graduate or professional degree (age 25+) | 3.9%±2.3 pts | 15.2% | – |
| Lived in the same house a year earlier | 88.3%±4.6 pts | 89.2% | – |
| Moved from another state in the past year | 5.9%±2.8 pts | 2.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Mariaville earn?
Half of Mariaville's 307 households earn less than $66,027 a year (±$2,609), against $72,744 in Hancock County and $74,733 in Maine. In 2015-2019 the median was $48,459 in 2024 dollars, so it rose by $17,568 after inflation. 9.9% of residents live below the poverty line.
| Measure | Mariaville | Hancock County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $66,027±$2,609 | $72,744 | +$17,568 |
| Mean household income | $78,862±$9,020 | $97,122 | – |
| Per capita income | $33,316±$4,044 | $44,241 | no clear change |
| People below the poverty line | 9.9%±4.8 pts | 9.9% | no clear change |
| Children under 18 below the poverty line | 9.9%±8.4 pts | 11.4% | – |
| Households receiving SNAP | 7.8%±3.9 pts | 8.4% | – |
| Households with a computer | 94.5%±3.5 pts | 93.9% | – |
| Households with a broadband subscription | 94.8%±4.9 pts | 91.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Mariaville?
Owners occupy 81.8% of Mariaville's occupied homes and renters 18.2%. The median owner-occupied home is valued at $215,400 by its owner (±$23,666). The median renter pays $1,169 a month including utilities, and 35.8% of renters pay 35% or more of their income on rent.
| Measure | Mariaville | Hancock County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $215,400±$23,666 | $310,400 | no clear change |
| Median gross rent | $1,169±$156 | $1,061 | no clear change |
| Renters paying 35% or more of income on rent | 35.8%±21.4 pts | 39.3% | no clear change |
| Median monthly owner costs, with a mortgage | $1,192±$81 | $1,673 | – |
| Owner-occupied homes | 81.8%±8.0 pts | 78.5% | no clear change |
| Renter-occupied homes | 18.2%±8.0 pts | 21.5% | – |
| Housing units | 549±72 | 40,765 | no clear change |
| Homeowner vacancy rate | 1.6%±3.2 pts | 1.3% | – |
| Rental vacancy rate | 3.4%±4.6 pts | 6.7% | – |
| Single-family detached homes | 87.2%±4.5 pts | 80.9% | – |
| Mobile homes | 12.8%±4.5 pts | 7.4% | – |
| Built 2020 or later | 1.1%±1.1 pts | 1.2% | – |
| Built 2010 to 2019 | 8.2%±3.5 pts | 8.7% | – |
| Built 1939 or earlier | 4.4%±2.7 pts | 22.1% | – |
| Households with no vehicle | 6.2%±3.9 pts | 6.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Mariaville building?
Builders took permits for 3 new housing units in Mariaville in 2025 (3 in single-family houses), 6.0 per 1,000 residents against 4.9 across Maine.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Mariaville work and get to work?
82.6% of Mariaville's workers drive alone and 10.1% work from home. The average trip to work takes 36.5 minutes.
| Measure | Mariaville | Hancock County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 65.3%±9.5 pts | 60.0% | – |
| Unemployment rate | 5.7%±4.0 pts | 4.6% | – |
| Drove alone to work | 82.6%±5.7 pts | 68.2% | – |
| Carpooled | 6.2%±4.3 pts | 11.9% | – |
| Public transportation | 0.0%±7.4 pts | 0.5% | – |
| Walked | 0.0%±7.4 pts | 4.3% | – |
| Worked from home | 10.1%±4.3 pts | 13.7% | no clear change |
| Mean travel time to work | 36.5 min±4.1 | 25.4 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Mariaville?
No census tract lies mostly in Mariaville; 2 tracts reach into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 9655.04Hancock County | 4,792 | $83,952 |
| Tract 9651Hancock County | 2,627 | $66,733 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Mariaville) · Census block assignment files
How does Mariaville compare with other places in Maine?
By the Census Bureau's July 2025 estimates, Mariaville is the 10,055th-most populous of the 16,079 U.S. towns and townships that have one and the 331st-most populous of 454 in Maine.
Mariaville is not ranked by income or the other survey measures: those rankings include places of 1,000 or more residents (2020 Census) with a reliable estimate.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 331st | 454 |
Mariaville's figures with every place in Maine (CSV)
Every place in Maine, sortable · Compare Mariaville with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Mariaville?
16 of the 57 figures for Mariaville on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Mariaville are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.